US Bridges

Constantine Street over Fawn River

Fair

St. Joseph County, Michigan · 1 MI E of Constantine · Structure no. 000000000010341

Built
1965
60 years old
Condition
Fair
inspected November 2023
Type
Slab
Wood or Timber
Length
66 ft
3 main spans
Daily traffic
1,370
2022 count
Owner
County
County Highway Agency

About this bridge

Constantine Street over Fawn River is a wood or timber slab carrying Constantine Street over Fawn River in St. Joseph County, Michigan. It was built in 1965, so it is 60 years old, older than the Michigan average of 48.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 1,370 vehicles a day, roughly 13% of them trucks, projected to reach 1,455 by 2042. The structure is 66 ft (20.1 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesConstantine Street
CrossesFawn River
Location1 MI E of Constantine
RouteCounty Highway 0
Coordinates41.83929, -85.64355
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating51.8 US tons
Inventory rating36.4 US tons

Structure

Structure typeSlab
MaterialWood or Timber
DeckWood or timber
Main spans3
Design loadH 20
Structure length66 ft (20.1 m)
Longest span22 ft (6.7 m)
Deck width26 ft (8 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,370 (2022)
Projected traffic1,455 by 2042
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Constantine Street over Fawn River built?

It was built in 1965, making it 60 years old in 2025.

What condition is Constantine Street over Fawn River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in November 2023.

How much traffic does Constantine Street over Fawn River carry?

About 1,370 vehicles per day (2022 count), of which roughly 13% are trucks.

How long is Constantine Street over Fawn River?

The structure is 66 ft (20.1 m) long with a longest span of 22 ft (6.7 m) and a deck 26 ft wide.

Who owns Constantine Street over Fawn River?

It is owned by the County Highway Agency.